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1997 Mercedes 600 Coupe & 1995 500 Coupe, 2004 Yamaha R1 200hp 360 pounds
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Discussion Starter #1
Hey guys sorry if this topic has been discussed before but I have had a very slow transmission leak for a while and the fluid has become really low. My 1997 V12 slips gears when shes cold but once she is warm she is normal. How does one check the fluid level since there is no dipstick and how does one replace fluid since there is no where to refill other then the tiny spout? I dont want to go to an indie and get charged a million dollars just to add fluid. Also what type of trans fluid do these motors require? Any suggestions would be appreciated :thumbsup:
 

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1997 S500V, 1999 S500 grand edition, 2006 s65 amg
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Hey guys sorry if this topic has been discussed before but I have had a very slow transmission leak for a while and the fluid has become really low. My 1997 V12 slips gears when shes cold but once she is warm she is normal. How does one check the fluid level since there is no dipstick and how does one replace fluid since there is no where to refill other then the tiny spout? I dont want to go to an indie and get charged a million dollars just to add fluid. Also what type of trans fluid do these motors require? Any suggestions would be appreciated :thumbsup:
the fluid is dealer only item $20 a quart(but there are ways around lowering the price ex. parts broker, or shop discount). as for the leak where is it leaking from? and the measure dip stick is sold separately dealer wants about $40-100(depending on dealer)the refill hole is the one on the back side of the engine there is a cap with a red clip. on mine it would slip once the fluid gets low. my leak is about 2 drops a day
 

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1997 Mercedes 600 Coupe & 1995 500 Coupe, 2004 Yamaha R1 200hp 360 pounds
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1,146 Posts
Discussion Starter #3
Yes I am about 2 drops a day and I am not sure where its coming. It leaks towards the back of the motor. So the red cap is the only place to put the fluid I assume? That's a pretty small spout but I wish I knew how low it was so I can fill it myself.

Has anyone tried the ghetto way by using the oil dipstick (cleaning it first of course). Wouldnt that at least tell you how much tranny fluid is in there?
 

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1997 S500V, 1999 S500 grand edition, 2006 s65 amg
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Yes I am about 2 drops a day and I am not sure where its coming. It leaks towards the back of the motor. So the red cap is the only place to put the fluid I assume? That's a pretty small spout but I wish I knew how low it was so I can fill it myself.

Has anyone tried the ghetto way by using the oil dipstick (cleaning it first of course). Wouldnt that at least tell you how much tranny fluid is in there?
the ghetto way dodge charger owners do it is a zip tie they actually sell the kit on ebay for $10

here is the one that i am going to order next week
Mercedes Benz 722.6 Transmission Fluid Dipstick Repair Tool 1220mm 140589152100 | eBay
 

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1997 S600 (sold)
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I don't think the engine dipstick is long enough, but I've never put them side by side. Fill through the dipstick tube. Mercedes says use only their fluid in the 722.6.

Brett
 

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2003 S55 AMG Kompressor
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361 Posts
Are we really discussing a $ 40 part for a car which did cost > $ 100,000 when new ? Amazing ...
 

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'04 G55 '80 280GE '99 S420 '98 E320 2011 E350 2016 GLA250
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Get the Correct Dipstick.

When was your ATF last changed?? This will help narrow down the possible ATF used.

Since they "CLAIM" the fluids are Mixable, and interchangeable, I would suspect you could just use the latest 236.14 fluid. I have switched to this type, one of the MB approved types is SHELL 134, which I recently purchased for a little over $5 bucks a quart.

Also, please check the Electronic Connection Plug "Bushing" as a possible source for your leak. You don't want the ATF "Wicking" up into your ETC module= $$$$
 

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1997 Mercedes 600 Coupe & 1995 500 Coupe, 2004 Yamaha R1 200hp 360 pounds
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Discussion Starter #8
Are we really discussing a $ 40 part for a car which did cost > $ 100,000 when new ? Amazing ...
It was a joke. I was only asking if the oil dipstick was compatible :cool:... The dipstick that is made for the transmission, does it stay in the car permanently?
 

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1997 S500V, 1999 S500 grand edition, 2006 s65 amg
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It was a joke. I was only asking if the oil dipstick was compatible :cool:... The dipstick that is made for the transmission, does it stay in the car permanently?
NOPE if you leave it in there you will damage the the transmission plus the dipsticks are 722.6 universal which means its longer. the way to check it is fully warm up your car to operating temp, while the engine is running and the car is on park put the dip stick in all the way (let me add the whole dipstick does NOT fit)
 

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1997 Mercedes 600 Coupe & 1995 500 Coupe, 2004 Yamaha R1 200hp 360 pounds
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Discussion Starter #10
Thanks guys. I ordered the tranny dipstick on amazon for 30 bux and will go to the stealer tomorrow for the correct fluid type. Lots of opinions on fluid type on these forums but better safe then sorry I will get what the dealer reccomends :)
 

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Try to use a shop discount. Since the dealer can charge upto $25 a bottle but i get mine for $15 a bottle and if you do a full service you save alot with the shop discount
 

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93 SL500, 95 SL320, 96 S320, 98 S500, 2002 E320 4Matic Wagon & A little 91 5.0 FORD Mustang
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Post #7,

First, buy the real McCoy measuring measuring dipstick. It's your VEE12? why would chance your transmission to an improper measuring tool? Spend the money, and buy it from the dealer.

DO NOT BUY the 722.9 spec oil from the dealer it will wear out your tranny quicker. 722.6 spec oil is no longer made, and Mercedes says it okay to use the 722.9 oil in a 722.6 transmission, but out on the street the tranny's are breaking down sooner.

Find the shell 134...

Martin
 

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1998 S600 LWB 2011 GLK 350 4matic 2013 Sprinter 2500
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Your welcome to use mine for a dip next time your in Napa. It's hanging on my pegboard for now.
 

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98 S500
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Post #7,

First, buy the real McCoy measuring measuring dipstick. It's your VEE12? why would chance your transmission to an improper measuring tool? Spend the money, and buy it from the dealer.

DO NOT BUY the 722.9 spec oil from the dealer it will wear out your tranny quicker. 722.6 spec oil is no longer made, and Mercedes says it okay to use the 722.9 oil in a 722.6 transmission, but out on the street the tranny's are breaking down sooner.

Find the shell 134...

Martin
l
The 722.9 stuff had my transmission slipping like hell. Went to the Valvoline MAX ATF that is certified for the NAG1 (other name for 722.6) and it shifts like butter.
 

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l
The 722.9 stuff had my transmission slipping like hell. Went to the Valvoline MAX ATF that is certified for the NAG1 (other name for 722.6) and it shifts like butter.
I bought the updated fluid and my transmission feels the same before. But there are two 722.9 fluids one is compatible with the 722.6 and the other is not.

but i want to try the shell one next time.
 
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